The book has helped me greatly in my daily communication, especially at work _____ a good impression is a must.
| A．which | B．when | C．as | D．where |
We are often warned that smoking ______ great harm to our health.
| A．does | B．leaves | C．makes | D．gives |
You must keep away from the man, who is ______. If you are ______, please call the number 110.
| A．dangerous; dangerous | B．dangerous; in danger |
| C．in danger; dangerous | D．in danger; in danger |
Li Ming studied very hard. As a result, he succeeded ______ the entrance examination to college.
| A．passing | B．in passing | C．having passed | D．to pass |
She decided to go to Shenzhen to ______ a better job.
| A．hunt for | B．look after | C．search of | D．watch over |
I would appreciate ______ if you could give me a reply as soon as possible.
| A．you | B．it | C．that | D．them |